21 Utility Patents
#121 in Livermore, CA
#22,991 in California
#79,987 in US
#157,139 in the World
Forward Citations = 571
Company Filing History:

Proton Energy Systems, Inc.

4. 2 out of 8
Ion America Corporation
5. 1 out of 832,398 patents
Other
where one patent can have more than one assignee
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